Home / 64,974.48-89,665.54-38,117.45

Finding the Fourth Proportional to 64,974.48, 89,665.54 and 38,117.45

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Solution

The fourth proportional to 64,974.48, 89,665.54 and 38,117.45 is: 52,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,974.48 : 89,665.54 = 38,117.45 : x
  2. Step 2: Convert to fraction form
    64,974.48/89,665.54 = 38,117.45/x
  3. Step 3: Cross multiply
    64,974.48x = 89,665.54 × 38,117.45
  4. Step 4: Simplify right side
    64,974.48x = 3,417,821,737.67
  5. Step 5: Solve for x
    x = 3,417,821,737.67/64,974.48
  6. Step 6: Final answer
    x = 52,602.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.